Blank Service In Task Manger Using 100% CPU

every now and then a service will start up on my laptop and use 100% CPU but its title in task manger is blank and i am unable to get any details on it

I need my for school where charging isn't really possible so my CPU being used is a big issue for me
Thank you In Advanced

I recommend downloading Process Explorer which is part of the Sysinternals tool set. You can find it here:

This is much more powerful than task manager and should help you identify which files used by the process using 100% CPU.

I have used the program and its says its svchost.exe, is there anyway i can stop it from opening? @BGL

These are pretty generic and used by many things that run as windows services. You need to identify the service behind the one that is consuming 100% CPU (in my experience I have seen the auto updates service do this many times).

Here is a good guide to investigating and resolving this:

Let us know how you get on.